Index monitoring for a site

Which of the pages Frontshelf tracks (the latest crawl's pages plus those with impressions in 90 days, under the primary property) Google has, and why not, from Google's stored URL Inspection answers. On a paid site index_summary carries tracked, checked, by_state, at_risk (indexed, not crawled by Google in 90 days: a tendency), first_checked_not_indexed, revisit (observed re-check intervals, never a schedule), the capacity, a stop or refusal, scope (a path-prefix property leaves pages unchecked: said) and sentences; history counts today's tracked pages per day by what Google last said over range. Without the plan (index) index_summary is the free counted state and history is null. A part the cap stopped is {state: too_large, sentence}. Next: gsc_index_pages_list for each page and why it is not on Google.